{(S)-1-[(4S,5S)-4-Benzyl-2,2-dimethyl-5-(2-trimethylsilanylmethyl-allyl)-oxazolidine-3-carbonyl]-2-methyl-propyl}-carbamic acid tert-butyl ester 在
chromium dichloride 、
溴 作用下,
以
四氢呋喃 、
四氯化碳 为溶剂,
反应 6.0h,
生成 ((S)-1-{(4S,5S)-4-Benzyl-5-[(4R,5S)-5-((S)-2-tert-butoxycarbonylamino-3-methyl-butyrylamino)-4-hydroxy-2-methylene-6-phenyl-hexyl]-2,2-dimethyl-oxazolidine-3-carbonyl}-2-methyl-propyl)-carbamic acid tert-butyl ester